51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
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#include "Mutex.h"
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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const uint32_t MutexIF::NO_TIMEOUT = 0;
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Mutex::Mutex() {
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handle = xSemaphoreCreateMutex();
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//TODO print error
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}
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Mutex::~Mutex() {
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if (handle != 0) {
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vSemaphoreDelete(handle);
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}
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}
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ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
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if (handle == 0) {
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//TODO Does not exist
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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TickType_t timeout = portMAX_DELAY;
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if (timeoutMs != NO_TIMEOUT) {
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timeout = pdMS_TO_TICKS(timeoutMs);
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}
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BaseType_t returncode = xSemaphoreTake(handle, timeout);
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if (returncode == pdPASS) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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//TODO could not be acquired/timeout
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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}
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ReturnValue_t Mutex::unlockMutex() {
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if (handle == 0) {
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//TODO Does not exist
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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BaseType_t returncode = xSemaphoreGive(handle);
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if (returncode == pdPASS) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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//TODO is not owner
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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}
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